package com.yc.biz;

import com.yc.entity.Promotion;
import com.baomidou.mybatisplus.extension.service.IService;

/**
 * <p>
 *  服务类
 * </p>
 *
 * @author cxw
 * @since 2025-02-13
 */
public interface IPromotionService extends IService<Promotion> {
    void begin(int pid);
    void end(Promotion promotions);
}
